2023 Big Ten Conference Leaders Passing Defense - Games vs. Unranked Teams Only (AP Poll) through 01/08/2024
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Michigan State | 7 | 198 | 110 | 55.6 | 1144 | 5.8 | 9 | 7 | 112.03 | 28.3 | 163.4 |
| 2 | Ohio State | 9 | 270 | 135 | 50.0 | 1221 | 4.5 | 5 | 7 | 88.90 | 30.0 | 135.7 |
| 3 | Penn State | 9 | 240 | 138 | 57.5 | 1441 | 6.0 | 6 | 12 | 106.18 | 26.7 | 160.1 |
| 4 | Michigan | 10 | 255 | 139 | 54.5 | 1519 | 6.0 | 4 | 14 | 98.75 | 25.5 | 151.9 |
| 5 | Rutgers | 9 | 281 | 162 | 57.7 | 1578 | 5.6 | 11 | 7 | 112.76 | 31.2 | 175.3 |
| 6 | Iowa | 11 | 382 | 205 | 53.7 | 1910 | 5.0 | 6 | 10 | 95.61 | 34.7 | 173.6 |
| 7 | Indiana | 8 | 253 | 149 | 58.9 | 1925 | 7.6 | 17 | 7 | 139.45 | 31.6 | 240.6 |
| 8 | Maryland | 10 | 323 | 179 | 55.4 | 2005 | 6.2 | 11 | 16 | 108.89 | 32.3 | 200.5 |
| 9 | Wisconsin | 10 | 332 | 200 | 60.2 | 2058 | 6.2 | 14 | 10 | 120.21 | 33.2 | 205.8 |
| 10 | Illinois | 9 | 304 | 184 | 60.5 | 2074 | 6.8 | 18 | 6 | 133.42 | 33.8 | 230.4 |
| 11 | Northwestern | 11 | 309 | 203 | 65.7 | 2094 | 6.8 | 12 | 12 | 127.67 | 28.1 | 190.4 |
| 12 | Purdue | 9 | 282 | 154 | 54.6 | 2119 | 7.5 | 16 | 9 | 130.07 | 31.3 | 235.4 |
| 13 | Nebraska | 10 | 361 | 218 | 60.4 | 2246 | 6.2 | 11 | 8 | 118.28 | 36.1 | 224.6 |
| 14 | Minnesota | 10 | 308 | 196 | 63.6 | 2275 | 7.4 | 20 | 11 | 139.97 | 30.8 | 227.5 |